#!/bin/bash
# shellcheck source=meta-facebook/meta-yosemite4/recipes-yosemite4/plat-tool/files/yosemite4-common-functions
source /usr/libexec/yosemite4-common-functions

is_nuvoton_board="$(check_nuvoton_board)"

enable_all_fan_input()
{
    # There is no fan_enable for 2nd source Fan IC: NCT7363
    if find /sys/bus/i2c/devices/*/hwmon/*/fan*_enable -print -quit 2>/dev/null | grep -q .; then
      for file in /sys/bus/i2c/devices/*/hwmon/*/fan*_enable
      do
        echo 1 > "${file}"
      done
    fi
}

set_all_fan_pwm_80_percent() {
    # 255 * 80% = 204
    pwm_value=204

    for pwm_node in /sys/bus/i2c/devices/*/hwmon/*/pwm*
    do
        if [[ ! "$pwm_node" =~ _enable ]]; then
            curr_pwm=$(cat "$pwm_node")

            # Set PWM to 80% if current PWM is higher than 80%.
            if [[ "$curr_pwm" -ge "$pwm_value" ]]; then
              echo $pwm_value > "$pwm_node"
            fi
        fi
    done
}

set_sd_bic_interface_to_i3c()
{
    if [ -z "$is_nuvoton_board" ]
    then
      # enable hot-join for I3C devices
      echo "1" > /sys/bus/i3c/devices/i3c-0/hotjoin
      echo "1" > /sys/bus/i3c/devices/i3c-1/hotjoin
    fi

    for host_bus in $(seq 0 7);
    do
      GPIOCHIP=$(basename /sys/bus/i2c/devices/"$host_bus"-0023/*gpiochip*)
      if [ "$GPIOCHIP" != "*gpiochip*" ]; then
        gpioset "$GPIOCHIP" 24=1
      fi
    done
}

# get present status of slot 1~8 and keep in /tmp/gpio/PRSNT_SB_SLOT{1~8}_N
mkdir -p /tmp/gpio
for slot in {1..8}
do
  get_gpio PRSNT_SB_SLOT"${slot}"_N
  echo "$?" > /tmp/gpio/PRSNT_SB_SLOT"${slot}"_N
done

# set initial value for GPIO output pins
set_gpio EN_P5V_USB_CPLD_R    1
set_gpio EN_NIC0_POWER_BMC_R  1
set_gpio EN_NIC1_POWER_BMC_R  1
set_gpio EN_NIC2_POWER_BMC_R  1
set_gpio EN_NIC3_POWER_BMC_R  1
set_gpio FM_BMC_RTCRST_R      0
set_gpio RST_USB_HUB_R_N      1
set_gpio FM_BMC_READY_R2      1
set_gpio SPI_LOCK_REQ_BMC_N   1
set_gpio EN_P3V_BAT_SCALED_R  0
set_gpio FM_BMC_SLED_CYCLE_R  0

set_gpio NIC0_MAIN_PWR_EN 1
set_gpio NIC1_MAIN_PWR_EN 1
set_gpio NIC2_MAIN_PWR_EN 1
set_gpio NIC3_MAIN_PWR_EN 1

if [ -z "$is_nuvoton_board" ]
then
    # short-term set gpio v0~v3 to input pin for slot5~8 reset button
    if [ ! -c "/dev/mem" ]; then
        mknod -m 660 /dev/mem c 1 1
    fi
    chown root:kmem /dev/mem
    devmem 0x1e78008c 32 0x19000000

    # adjust the i2c clock duty cycle for bus 11
    devmem 0x1E78A604 32 0x00487006
fi

# Enable all fan input as early as possible
enable_all_fan_input

# Set all fan PWM to 80%
set_all_fan_pwm_80_percent

# Set interface to SD BIC to I3C for BMC
set_sd_bic_interface_to_i3c

exit 0
